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sergij07 [2.7K]
2 years ago
7

Mark's age 15 years ago can be expressed as:

Mathematics
1 answer:
Andrei [34K]2 years ago
8 0
The question does not complete
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Find the roots of the following factored quadratic equation.<br> y= (2x-9) (7x-4)
Marina86 [1]

Answer:

x = 4.5, 4/7

Step-by-step explanation:

To find the roots of a factored equation you need to set the y value at 0, that way you can solve for x. Once you solve for x you get two quantities, which can be graphed. These two quantities are where the x intercepts are.

7 0
3 years ago
Answer this question fast pls
Crank

Answer:

Lemons ( 27 ) = Cups ( 9 )

Cups ( 50) = Lemons (30)

7 0
3 years ago
-5x - 7 &lt; 28
ArbitrLikvidat [17]
-5x - 7 < 28.....add 7 to both sides
-5x < 35....divide both sides by -5, change the inequality sign (u change the inequality sign when dividing/multiplying by a negative number)
x > -7
5 0
3 years ago
4n/5=84/15<br><br> i cannot figure out this math problem for my homework!
Vinil7 [7]
Okay so instead of dividing you will cross multiply.
4n(15)=84(5)
60n=420
420/60=7
Answer: n=7
4 0
3 years ago
A 30L tank contains 20L of a salt/water mixture with 4kg of salt. We begin pumping a mixture with.08 kg/L concentration into the
gregori [183]

Answer:

qgog]nh[5hlTMetfrgt[ybpfd

Step-by-step explanation:

klj ;l,;gg/l.,sjmfehgads vcb

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